Prostate Cancer / 2012 / Article / Tab 3

Research Article

Intake of Grains and Dietary Fiber and Prostate Cancer Aggressiveness by Race

Table 3

Fully adjusteda odds ratios for prostate cancer aggressiveness in relation to refined grain, whole grain, and dietary fiber intake from polytomous regression models, with and without stratification by race.

Exposure tertilebAfrican AmericansEuropean AmericansAll subjects
OR95% CIOR95% CIOR95% CI

Refined grain intake

Intermediate versus low aggressive
 T11.00referent1.00referent1.00referent
 T21.010.67–1.520.880.61–1.270.950.72–1.24
 T31.430.88–2.330.730.45–1.171.020.73–1.43
High versus low aggressive
 T11.00referent1.00referent1.00referent
 T20.990.60–1.650.910.57–1.450.960.69–1.35
 T31.110.61–2.020.540.28–1.030.790.52–1.21

Whole grain intake

Intermediate versus low aggressive
 T11.00referent1.00referent1.00referent
 T20.930.65–1.351.230.84–1.801.070.83–1.39
 T31.060.72–1.560.930.63–1.390.980.79–1.30
High versus low aggressive
 T11.00referent1.00referent1.00referent
 T20.940.60–1.471.220.76–1.961.090.79–1.50
 T31.160.73–1.870.650.39–1.090.870.62–1.23

Total fiber intake

Intermediate versus low aggressive
 T11.00referent1.00referent1.00referent
 T21.330.60–1.340.920.62–1.360.920.70–1.21
 T31.920.77–2.050.740.44–1.230.970.69–1.37
High versus low aggressive
 T11.00referent1.00referent1.00referent
 T21.000.33–0.920.750.46–1.240.670.47–0.95
 T31.080.47–1.560.390.19–0.790.600.39–0.93

Insoluble fiber intake

Intermediate versus low aggressive
 T11.00referent1.00referent1.00referent
 T20.890.60–1.340.920.62–1.361.090.83–1.44
 T31.260.77–2.050.740.44–1.230.990.71–1.39
High versus low aggressive
 T11.00referent1.00referent1.00referent
 T20.550.33–0.920.750.46–1.240.760.54–1.08
 T30.860.47–1.560.390.20–0.790.610.39–0.93

Soluble fiber intake

Intermediate versus low aggressive
 T11.00referent1.00referent1.00referent
 T20.880.59–1.310.790.54–1.160.840.64–1.11
 T31.140.68–1.920.670.39–1.140.900.63–1.29
High versus low aggressive
 T11.00referent1.00referent1.00referent
 T20.710.43–1.160.570.34–0.930.650.46–0.92
 T30.890.47–1.700.390.19–0.820.610.38–0.97

aAdjusted for age, race (in race-unstratified models), total energy intake, education level, smoking status, physical activity, use of nutritional supplements, use of NSAIDs, prostate cancer screening history, family history of prostate cancer, and body mass index.
bTertile ranges and units are as follows.
Refined grain (servings/d): T1 ≤ 3.50, 3.5 < T2 ≤ 5.28, T3 > 5.28.
Whole grain (servings/d): T1 ≤ 0.63, 0.63 < T2 ≤ 1.33, T3 > 1.33.
Total fiber (grams/d): T1 ≤ 16.94, 16.94 < T2 ≤ 24.83, T3 > 24.83.
Insoluble fiber (grams/d): T1 ≤ 10.9, 10.9 < T2 ≤ 16.2, T3 > 16.2.
Soluble fiber (grams/d): T1 ≤ 5.81, 5.81 < T2 ≤ 8.86, T3 > 8.86.

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